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Is Tomato Plant toxic to cats?

YES (TOXIC)
Unfortunately, Tomato Plant is toxic and potentially harmful to cats. We recommend you keep your feline friends away from this plant. See the table below for more information.
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Scientific Name:Lycopersicon spp
Family:Solanaceae
Toxic Principles:Solanine
Clinical Signs:Hypersalivation, inappetence, severe gastrointestinal upset, depression, weakness, dilated pupils, slow heart rate; ripe fruit is non-toxic
If you think your cat may have ingested a poisonous substance, call 888 426 4435 or your local vet
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Tomato Plant Toxic to Cats?

Introduction

The question of whether tomato plants are toxic to cats is a common concern for cat owners. Many people enjoy gardening and growing their own fruits and vegetables, but it is important to know which plants are safe to grow around pets. In this article, we will explore whether tomato plants are toxic to cats, what symptoms to look for if your cat ingests a tomato plant, and how to keep your cat safe around tomato plants.

Are Tomato Plants Safe for Cats?

The answer to this question is somewhat complicated. The tomato plant itself is not toxic to cats, but the fruit and leaves of the plant contain a toxin called solanine. Solanine is a glycoalkaloid found in various plants of the nightshade family, including tomatoes, potatoes, and eggplants. Ingesting solanine can cause gastrointestinal upset, including vomiting and diarrhea, as well as neurological symptoms like lethargy, confusion, and weakness. It is important to note that not all cats will have the same reaction to solanine, and the severity of their symptoms will depend on how much of the toxin they have ingested. Some cats may only experience mild symptoms, while others may require emergency veterinary attention.

What Symptoms Should You Look For?

If you suspect your cat has ingested a tomato plant, it is important to look for any signs of gastrointestinal upset or neurological symptoms. Some common symptoms of solanine poisoning in cats include: - Vomiting - Diarrhea - Loss of appetite - Lethargy - Confusion - Weakness - Tremors - Seizures - Difficulty breathing These symptoms can occur within a few hours of ingestion, but it is also possible for symptoms to appear days later. If you notice any of these symptoms in your cat after they have been around a tomato plant, contact your veterinarian immediately.

How Can You Keep Your Cat Safe Around Tomato Plants?

While tomato plants can be a source of concern for cat owners, there are several steps you can take to keep your cat safe around them. Here are some tips to keep in mind:

1. Keep Your Cat Away from Tomato Plants

The easiest way to keep your cat safe from tomato plants is to prevent them from accessing the plants altogether. If you have an outdoor garden, consider putting up a fence to keep your cat out, or creating a designated area for your cat to play in that is separate from your garden. If you have indoor tomato plants, try to keep them out of your cat's reach.

2. Monitor Your Cat Closely

If you do have tomato plants around your cat, it is important to keep a close eye on your pet's behavior. Make sure your cat doesn't try to eat any of the leaves or fruit on the plant, and watch for any signs of symptoms. If your cat does ingest a tomato plant, take them to the veterinarian immediately.

3. Consider Alternative Plants

If you are concerned about your cat's safety around tomato plants, consider growing alternative plants instead. Some cat-safe plant options include catnip, asparagus fern, and spider plant.

Conclusion

In conclusion, tomato plants are not inherently toxic to cats, but the fruit and leaves of the plant contain a toxin called solanine that can cause gastrointestinal upset and neurological symptoms. It is important for cat owners to be aware of these risks and take steps to keep their pets safe around tomato plants. By monitoring your cat closely, keeping them away from tomato plants, and considering alternative plant options, you can help ensure your cat stays healthy and happy.
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